Moorhead, Minnesota History: From Lake Agassiz to the Birthplace of the Dilly Bar

Today, Moorhead, Minnesota, is best known as one-half of the Fargo-Moorhead metropolitan area, a thriving regional hub along the Red River of the North. Yet the city's story—which includes the invention of Dairy Queen’s famous Dilly Bar—begins thousands of years before its first settlers arrived, when a massive prehistoric lake covered much of the northern Great Plains.